java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/Mono5_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:43:51,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:43:51,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:43:51,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:43:51,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:43:51,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:43:51,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:43:51,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:43:51,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:43:51,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:43:51,444 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:43:51,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:43:51,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:43:51,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:43:51,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:43:51,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:43:51,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:43:51,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:43:51,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:43:51,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:43:51,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:43:51,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:43:51,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:43:51,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:43:51,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:43:51,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:43:51,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:43:51,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:43:51,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:43:51,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:43:51,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:43:51,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:43:51,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:43:51,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:43:51,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:43:51,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:43:51,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-14 20:43:51,485 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:43:51,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:43:51,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:43:51,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:43:51,487 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:43:51,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:43:51,487 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:43:51,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:43:51,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:43:51,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:43:51,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:43:51,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:43:51,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:43:51,489 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:43:51,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:43:51,489 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:43:51,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:43:51,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:43:51,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:43:51,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:43:51,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:43:51,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:43:51,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:43:51,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:43:51,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:43:51,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:43:51,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:43:51,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:43:51,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:43:51,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:43:51,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:43:51,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:43:51,536 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:43:51,536 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:43:51,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/Mono5_1.c [2019-08-14 20:43:51,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/444fdbd17/7ad7c66358804a568c83c5f813cf311d/FLAG86587a46a [2019-08-14 20:43:52,020 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:43:52,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/Mono5_1.c [2019-08-14 20:43:52,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/444fdbd17/7ad7c66358804a568c83c5f813cf311d/FLAG86587a46a [2019-08-14 20:43:52,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/444fdbd17/7ad7c66358804a568c83c5f813cf311d [2019-08-14 20:43:52,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:43:52,395 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:43:52,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:43:52,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:43:52,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:43:52,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:43:52" (1/1) ... [2019-08-14 20:43:52,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e6f7f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:52, skipping insertion in model container [2019-08-14 20:43:52,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:43:52" (1/1) ... [2019-08-14 20:43:52,410 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:43:52,424 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:43:52,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:43:52,571 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:43:52,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:43:52,603 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:43:52,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:52 WrapperNode [2019-08-14 20:43:52,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:43:52,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:43:52,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:43:52,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:43:52,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:52" (1/1) ... [2019-08-14 20:43:52,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:52" (1/1) ... [2019-08-14 20:43:52,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:52" (1/1) ... [2019-08-14 20:43:52,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:52" (1/1) ... [2019-08-14 20:43:52,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:52" (1/1) ... [2019-08-14 20:43:52,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:52" (1/1) ... [2019-08-14 20:43:52,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:52" (1/1) ... [2019-08-14 20:43:52,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:43:52,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:43:52,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:43:52,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:43:52,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:43:52,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:43:52,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:43:52,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 20:43:52,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:43:52,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:43:52,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 20:43:52,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:43:52,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:43:52,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:43:52,941 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:43:52,941 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 20:43:52,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:43:52 BoogieIcfgContainer [2019-08-14 20:43:52,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:43:52,943 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:43:52,943 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:43:52,943 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:43:52,944 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:43:52" (1/1) ... [2019-08-14 20:43:53,078 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:43:53,081 INFO L168 Benchmark]: Toolchain (without parser) took 685.17 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 86.6 MB in the beginning and 160.7 MB in the end (delta: -74.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 20:43:53,082 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:43:53,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.32 ms. Allocated memory is still 138.4 MB. Free memory was 86.4 MB in the beginning and 77.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-14 20:43:53,084 INFO L168 Benchmark]: Boogie Preprocessor took 26.80 ms. Allocated memory is still 138.4 MB. Free memory was 77.5 MB in the beginning and 75.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-14 20:43:53,086 INFO L168 Benchmark]: RCFGBuilder took 311.29 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 75.9 MB in the beginning and 167.3 MB in the end (delta: -91.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:43:53,087 INFO L168 Benchmark]: Symbolic Interpretation took 135.37 ms. Allocated memory is still 199.2 MB. Free memory was 167.3 MB in the beginning and 160.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2019-08-14 20:43:53,091 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 2]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 39#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 208.32 ms. Allocated memory is still 138.4 MB. Free memory was 86.4 MB in the beginning and 77.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.80 ms. Allocated memory is still 138.4 MB. Free memory was 77.5 MB in the beginning and 75.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 311.29 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 75.9 MB in the beginning and 167.3 MB in the end (delta: -91.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 135.37 ms. Allocated memory is still 199.2 MB. Free memory was 167.3 MB in the beginning and 160.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...